What are the chances of seeing a Campyloneura virgula in Brussels?
With luck
About 10% of wildlife watchers report a Campyloneura virgula sighting in Brussels on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 181st most-seen of the 337 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.